The Klassik Stiftung Weimar is funded through the German Federal Commissioner for Cultural and Media Affairs by resolution of the German Bundestag, the Free State of Thuringia and the City of Weimar.

Various activities of the Klassik Stiftung Weimar are funded by the European Regional Development Fund (ERDF) and the Free State of Thuringia, represented by the Thuringian State Chancellery, Department of Culture and Art.